diff --git a/libraries/common.inc.php b/libraries/common.inc.php
index 5cc46103a..4cb469247 100644
--- a/libraries/common.inc.php
+++ b/libraries/common.inc.php
@@ -403,7 +403,7 @@ if (! PMA_isValid($_REQUEST['token']) || $_SESSION[' PMA_token '] != $_REQUEST['
          */
         'server', 'db', 'table', 'target',
         /* to change the language on login screen or main page */
-        lang,
+        'lang',
         /* Session ID */
         'phpMyAdmin',
         /* Cookie preferences */